1) Download daily prices for three stocks: TSLA, AMZN, NVDA (Jan 1, 2021 – Jun 30, 2021) from      Bloomberg.
     2) Compute daily stock returns for three stocks.
     3) Calculate the respective averages standard deviations for daily stock returns. 
     4) Generate a covariance matrix with three daily stock returns using Data Analysis Toolpak  
     5) Compute an equal-weighted (33.3%: TSLA, 33.3%: AMZN, 33.3%: NVDA) portfolio return and risk (Hint: Use MMULT function in Excel)